200644564 has 12 divisors (see below), whose sum is σ = 351288000. Its totient is φ = 100276568.

The previous prime is 200644559. The next prime is 200644573. The reversal of 200644564 is 465446002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 20035.

It is an arithmetic number, because the mean of its divisors is an integer number (29274000).

Almost surely, 2^200644564 is an apocalyptic number.

It is an amenable number.

200644564 is a deficient number, since it is larger than the sum of its proper divisors (150643436).

200644564 is a wasteful number, since it uses less digits than its factorization.

200644564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22862 (or 22860 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 200644564 is about 14164.9060709911. The cubic root of 200644564 is about 585.4311128046.

The spelling of 200644564 in words is "two hundred million, six hundred forty-four thousand, five hundred sixty-four".